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The transceiver MB1 DUC/DDC is a new generation of radio amateurs. The transceiver combines classic design and accumulated many decades with the DDC/SDR-latest technology-DUC direct conversion and synthesis of radio signals and the complete computer with an Intel Core i5. The operator receives a fully functional workstation in a case, which starts at the push of a button. All connections can be done with the help of virtual audio cables and COM ports, connect the second monitor, mouse, keyboard and also to control the radio nice from front panel knobs and buttons of the transceiver.


Many radio amateurs use their PC with the common transceiver. The connection between the two devices is carried out according to user preferences. Somebody connects additional USB interfaces, the wiring someone welding. When there appears to be a question to go to the station contest with your workstation tuned, moving equipment becomes a big problem. In this case it is desirable to have all in one compact transceiver box. The SDR MB1 solves this very problem!


ATU apart



  • Uses ADC with sampling rate of 160 MHz and 16 bit resolution
  • Two independent receive channels with 312 kHz bandwidth
  • Air stations Record with bandwidth up to 312 kHz and the ability to play at a later time
  • Possibility of receiving in Nyquist zones up to 800 MHz (must set additional external filters)
  • View broadband up to 80 MHz
  • High quality audio DAC with precision 24 bit decreasing signal delays fro
  • IPS Display 1280 x 800 resolution 7 the qualitative
  • Connector for external device control, 8 programmable transistor switches
  • Interface with the PC-100 Mbps local area network
  • 220V power supply voltage current consumption up to 1.5 in
  • Entrance to the external reference oscillator with frequency of 10 MHz
  • Small size and light weight, respectively,
  • ExpertSDR2 two versions of software, desktop and monoblock
  • Ability to set any other software for user

Main features

  • Independent receive the conversion path with Digital (DDC)
  • Построенный принципу прямого независимый передающий тракт Отдельный цифрового по синтеза сигналов, (DUC)
  • Independent independent transmission path with Digital Up Conversion (DUC)
  • Full duplex or half duplex mode *
  • Работа полным дуплексом или полудуплексом *
  • Receive two independent channels with bandwidth up to 312 kHz and two sub-receivers in each channel.
  • Antenna switch for HF antennas two
  • Connector for external device control, 7 powerful switches with open collector
  • To connect the mobile antenna 9310 by Stealth Telecom
  • Automatic tuner unit for HF Band: available as an option
  • ALC input for connecting external amplifier
  • Four programmable outputs independent external control PA PTT
  • COM port for connecting external devices (power amplifiers, rotators, PC etc


  • Possibility of inserting the BPF on HF frontend via RX and RX OUT
  • Suboctave embedded Bandpass Filters
  • Opportunity to connect VHF transverter
  • Using the transceiver as a receiver for measurements
  • Using the transceiver as a signal generator (exit OUT DAC)
  • The 10 MHz reference oscillator frequency synchronization
  • Very little delay in CW mode (approximately 10 msec)
  • Ability to use the SO2R mode transceiver
  • Opportunity of remote control. PTT foot switch and CW key are connected to the control panel of the SDR-E-Coder. Headset and remote and Panel-Coder are connected to your PC.

Full duplex mode is supported by hardware of the transceiver, but it's still not finished software. This mode will be supported in the next release of the program ExpertSDR2.

MB1 also has a full scale computer based on the Intel Core i5 processor, which provides the following opportunities:

  • Install the digital communications software
  • Software from contests and magazines
  • Connect two Skimmers receive dual channel independent on CW different bands
  • Possibility to connect Internet to LAN or WAN transceiver
  • Works with internet browsers, internet groups and other opportunities (email, Skype, ICQ, TV, etc.) connected to the Internet
  • Viewing and listening to audio and video files
  • Watch TV via USB-TV receivers
  • Possibility of connecting external display, mouse and keyboard
  • And many other opportunities limited only by your imagination. Everything within a transceiver MB1

The parameters of the embedded PC

  • Thin Mini-ITX motherboard form factor
  • 3.0 GHz Intel Core i5 CPU
  • RAM 8 GB
  • 128 GB SSD hard drives
  • 4-port USB 3.0 USB 2.0 ports on the rear panel and 2 on the receiver front panel
  • HDMI and DPORT for connecting external monitors
  • LAN connector 1 GB


  • All aspects of amateur radio transceiver
  • Mobile contest-station
  • Receiving point for the races and other applications
  • Spectrum Analyzer with bandwidth up to 80MHz
  • Work with external programs of digital connection types, CW skimmer, etc. #


Block diagram


Transceiver MB1 set


Transceiver can have additional options: automatic Unit internal Tuner (ATU) to arrange the antennas with 50 Ohm output impedance transceivers, integrated WLAN drive to connect the WLAN wireless LAN transceiver interface.


Base complete set:

  • MB1 transceiver

Note: automatic Tuner is not installed on the transceiver

  • LAN-cable for connection to external LAN
  • Power supply cable used to connect the AC line transceiver
  • Two 3.5 mm Audio Jack adapter 6.3 mm jack for connecting the headset to the transceiver
  • CD-disc with ExpertSDR2 software. (The software can also be downloaded from our website)


Complete set:

  • MB1 transceiver + internal ATU (NOT INCLUDED)

Note: automatic Tuner is installed on the transceiver

  • LAN-cable for connection to external LAN
  • Power supply cable used to connect the AC line transceiver
  • Two 3.5 mm Audio Jack adapter 6.3 mm jack for connecting the headset to the transceiver
  • CD-disk with software ExpertSDR2

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Tags: SunSDR MB1 , SDR
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